Hex #aa6139 or rgb(170,97,57) in RGB space is the tint of orange red. It has hue angle of 21.24 degrees, value = 67 and saturation = 66. #aa6139 can be obtained by mixing 4 colors: 4 drops of red, 2 drops of green, 2 drops of white, 1 drop of black.
Nearest safe hex - #996633. Below you can see the block with #aa6139 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa6139 to the mixer and play with it.